dc.date.accessioned | 2022-01-25T18:50:06Z | |
dc.date.available | 2022-01-25T18:50:06Z | |
dc.date.created | 2021-01-19T14:45:07Z | |
dc.date.issued | 2021 | |
dc.identifier.citation | Kanas, Nikola Bjørk, Rasmus Wells, Kristin Høydalsvik Schuler, Raphael Einarsrud, Mari-Ann Pryds, Nini Wiik, Kjell . Time-enhanced performance of oxide thermoelectric modules based on a hybrid p-n junction. ACS Omega. 2021, 6, 197-205 | |
dc.identifier.uri | http://hdl.handle.net/10852/90083 | |
dc.description.abstract | The present challenge with all-oxide thermoelectric modules is their poor durability at high temperatures caused by the instability of the metal-oxide interfaces at the hot side. This work explains a new module concept based on a hybrid p–n junction, fabricated in one step by spark plasma co-sintering of Ca3Co4–xO9+δ (CCO, p-type) and CaMnO3−δ/CaMn2O4 (CMO, n-type). Different module (unicouple) designs were studied to obtain a thorough understanding of the role of the in situ formed hybrid p–n junction of Ca3CoMnO6 (CCMO, p-type) and Co-oxide rich phases (p-type) at the p–n junction (>700 °C) in the module performance. A time-enhanced performance of the modules attributed to this p–n junction formation was observed due to the unique electrical properties of the hybrid p–n junction being sufficiently conductive at high temperatures (>700 °C) and nonconductive at moderate and low temperatures. The alteration of module design resulted in a variation of the power density from 12.4 (3.1) to 28.9 mW/cm2 (7.2 mW) at ΔT ∼ 650 °C after 2 days of isothermal hold (900 °C hot side). This new concept provides a facile method for the fabrication of easily processable, cheap, and high-performance high-temperature modules. | |
dc.language | EN | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.title | Time-enhanced performance of oxide thermoelectric modules based on a hybrid p-n junction | |
dc.type | Journal article | |
dc.creator.author | Kanas, Nikola | |
dc.creator.author | Bjørk, Rasmus | |
dc.creator.author | Wells, Kristin Høydalsvik | |
dc.creator.author | Schuler, Raphael | |
dc.creator.author | Einarsrud, Mari-Ann | |
dc.creator.author | Pryds, Nini | |
dc.creator.author | Wiik, Kjell | |
cristin.unitcode | 185,15,17,10 | |
cristin.unitname | Senter for Materialvitenskap og Nanoteknologi kjemi | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 1 | |
dc.identifier.cristin | 1874503 | |
dc.identifier.bibliographiccitation | info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=ACS Omega&rft.volume=6&rft.spage=197&rft.date=2021 | |
dc.identifier.jtitle | ACS Omega | |
dc.identifier.volume | 6 | |
dc.identifier.issue | 1 | |
dc.identifier.startpage | 197 | |
dc.identifier.endpage | 205 | |
dc.identifier.doi | https://doi.org/10.1021/acsomega.0c04134 | |
dc.identifier.urn | URN:NBN:no-92741 | |
dc.type.document | Tidsskriftartikkel | |
dc.type.peerreviewed | Peer reviewed | |
dc.source.issn | 2470-1343 | |
dc.identifier.fulltext | Fulltext https://www.duo.uio.no/bitstream/handle/10852/90083/1/Time-Enhanced%2BPerformance%2Bof%2BOxide%2BThermoelectric%2BModules%2BBased%2Bon%2Ba%2BHybrid%2Bp%25E2%2580%2593n%2BJunction.pdf | |
dc.type.version | PublishedVersion | |
dc.relation.project | NFR/228854 | |